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The 7203 PCI serial interface provides two optically isolated serial ports, each individually configurable for RS-232, RS-422, or RS-485. The board is capable of data rates to 460.8K bps and automatically handles RS-485 transmitter enable/disable. The 7203 utilizes 16C850 UARTs to provide 128-byte Tx/Rx FIFOs for maximum reliability in data intensive applications. Sealevel's SeaCOM software utilities make installation and operation easy.
| Host Interface | PCI |
|---|---|
| # of Ports | 2 |
| Electrical Interface | RS-232, RS-422, RS-485 |
| Optically Isolated | Yes |
| UART | 850 UART |
| Serial Connector(s) | DB9M |
| PC Bracket | Standard Height |
| Communications Chip | 16C850 |
| Max Data Rate | 460.8K bps |
| Max Data Distance | 4000 feet |
| Operating Temperature | 0 - +70C |
| Storage Temperature | -50 - +105C |
| Humidity Range | 10 - 90% Relative Humidity, Non-Condensing |
- • Each port individually configurable for RS-232, RS-422, or RS-485
- • Optical isolation provides protection against transients and ground loops
- • 16C850 buffered UARTs with 128-byte FIFOs
- • Data rates to 460.8K bps
- • Automatic RS-485 enable/disable
- • The PCI adapter includes two DB9M connectors
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